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          我的Neo4j探索之旅 - 初识Neo4j（一）
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        <h1 id="我的Neo4j探索之旅-初识Neo4j（一）"><a href="#我的Neo4j探索之旅-初识Neo4j（一）" class="headerlink" title="我的Neo4j探索之旅 - 初识Neo4j（一）"></a>我的Neo4j探索之旅 - 初识Neo4j（一）</h1><h2 id="目录"><a href="#目录" class="headerlink" title="目录"></a>目录</h2><p>[TOC]</p>
<h2 id="前言："><a href="#前言：" class="headerlink" title="前言："></a>前言：</h2><p>neo4j 这个东西在国内用的很少，目前能百度的资料也是很早之前的几篇了，我针对neo4j 3.5 的版本进行一次学习和记录，以及实际的工作需求我也遇到了，后续会开源一个剔除业务的开源项目，有兴趣的读者可以了解一下图数据库的中间件，还是蛮有意思的。</p>
<a id="more"></a>

<h2 id="它是什么？"><a href="#它是什么？" class="headerlink" title="它是什么？"></a>它是什么？</h2><ul>
<li>百度百科定义： <span class="exturl" data-url="aHR0cDovL3d3dy55b3VtZWVrLmNvbS9teS1sZWFybmluZy13YXkvP3Rkc291cmNldGFnPXNfcGNxcV9haW9tc2c=" title="http://www.youmeek.com/my-learning-way/?tdsourcetag=s_pcqq_aiomsg">http://www.youmeek.com/my-learning-way/?tdsourcetag=s_pcqq_aiomsg<i class="fa fa-external-link"></i></span> </li>
<li>官方网站： <span class="exturl" data-url="aHR0cHM6Ly9uZW80ai5jb20v" title="https://neo4j.com/">https://neo4j.com/<i class="fa fa-external-link"></i></span> </li>
<li>官方文档地址： <span class="exturl" data-url="aHR0cHM6Ly9uZW80ai5jb20vZG9jcy8=" title="https://neo4j.com/docs/">https://neo4j.com/docs/<i class="fa fa-external-link"></i></span> <ul>
<li>Java Driver API Docs</li>
<li>Neo4j Javadocs</li>
<li>Cypher Manual</li>
<li>Spring data neo4j 这个是spring 管理neo4j的框架</li>
</ul>
</li>
<li>维基百科介绍: <span class="exturl" data-url="aHR0cHM6Ly9lbi53aWtpcGVkaWEub3JnL3dpa2kvTmVvNGo=" title="https://en.wikipedia.org/wiki/Neo4j">https://en.wikipedia.org/wiki/Neo4j<i class="fa fa-external-link"></i></span> </li>
</ul>
<h2 id="它的历史"><a href="#它的历史" class="headerlink" title="它的历史"></a>它的历史</h2><ul>
<li><p>1.0版于2010年2月发布。</p>
</li>
<li><p>Neo4j 2.0版于2013年12月发布。</p>
</li>
<li><p>Neo4j 3.0版于2016年4月发布。</p>
</li>
<li><p>2016年11月，Neo4j成功获得了由Greenbridge Partners Ltd.牵头的3600万美元D轮融资<span class="exturl" data-url="aHR0cHM6Ly9lbi53aWtpcGVkaWEub3JnL3dpa2kvTmVvNGojY2l0ZV9ub3RlLTE1" title="https://en.wikipedia.org/wiki/Neo4j#cite_note-15">[15]<i class="fa fa-external-link"></i></span></p>
</li>
<li><p>2018年11月，Neo4j成功获得了由One Peak Partners和Morgan Stanley Expansion Capital牵头的8000万美元E轮融资，其他投资者包括Creandum，Eight Roads和Greenbridge Partners参与了此次融资</p>
</li>
</ul>
<h2 id="应用场景"><a href="#应用场景" class="headerlink" title="应用场景"></a>应用场景</h2><ul>
<li><span class="exturl" data-url="aHR0cHM6Ly96aHVhbmxhbi56aGlodS5jb20vcC8zNjQwNDg3Mg==" title="https://zhuanlan.zhihu.com/p/36404872">https://zhuanlan.zhihu.com/p/36404872<i class="fa fa-external-link"></i></span>  知乎介绍neo4j</li>
<li><span class="exturl" data-url="aHR0cHM6Ly9qdWVqaW4uaW0vcG9zdC81YjU1OTk5MDUxODgyNTE5NmIwMWRmYzI=" title="https://juejin.im/post/5b559990518825196b01dfc2">https://juejin.im/post/5b559990518825196b01dfc2<i class="fa fa-external-link"></i></span>  掘金文章</li>
</ul>
<h2 id="同类产品比较"><a href="#同类产品比较" class="headerlink" title="同类产品比较"></a>同类产品比较</h2><ul>
<li><span class="exturl" data-url="aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2JlbGFsZHMvYXJ0aWNsZS9kZXRhaWxzLzg3OTE3OTAw" title="https://blog.csdn.net/belalds/article/details/87917900">https://blog.csdn.net/belalds/article/details/87917900<i class="fa fa-external-link"></i></span>  主流图数据库Neo4J、ArangoDB、OrientDB综合对比：架构分析</li>
<li><span class="exturl" data-url="aHR0cHM6Ly93d3cubGpqeXkuY29tL2FyY2hpdmVzLzIwMTkvMDkvMTAwNTg0Lmh0bWw=" title="https://www.ljjyy.com/archives/2019/09/100584.html">https://www.ljjyy.com/archives/2019/09/100584.html<i class="fa fa-external-link"></i></span>  在实际的项目选型中使用</li>
</ul>
<h2 id="为什么学习它"><a href="#为什么学习它" class="headerlink" title="为什么学习它"></a>为什么学习它</h2><ul>
<li>公司业务需求，需要使用可视化拓扑图展示数据</li>
<li>标签库使用mysql展示图形结构比较困难，转而使用图数据库解决</li>
</ul>
<h2 id="为什么要使用neo4j"><a href="#为什么要使用neo4j" class="headerlink" title="为什么要使用neo4j"></a>为什么要使用neo4j</h2><ul>
<li><span class="exturl" data-url="aHR0cHM6Ly93d3cuY25ibG9ncy5jb20vcnViaW5vcnRoL3AvNTg0NjE0MC5odG1s" title="https://www.cnblogs.com/rubinorth/p/5846140.html">https://www.cnblogs.com/rubinorth/p/5846140.html<i class="fa fa-external-link"></i></span> 参考</li>
<li><span class="exturl" data-url="aHR0cHM6Ly96aGlkYW8uYmFpZHUuY29tL3F1ZXN0aW9uLzEwNTIwOTAyNTE0Mjg1MDUzNzkuaHRtbA==" title="https://zhidao.baidu.com/question/1052090251428505379.html">https://zhidao.baidu.com/question/1052090251428505379.html<i class="fa fa-external-link"></i></span> 百度知道</li>
</ul>
<h2 id="哪些人不喜欢它"><a href="#哪些人不喜欢它" class="headerlink" title="哪些人不喜欢它"></a>哪些人不喜欢它</h2><ul>
<li>neo4j 属于老牌图数据库</li>
<li>neo4j 不支持分片，对分布式的系统支持不是很好，推荐单机部署</li>
</ul>
<h2 id="我要怎么做（按优先级从高到低排序）"><a href="#我要怎么做（按优先级从高到低排序）" class="headerlink" title="我要怎么做（按优先级从高到低排序）"></a>我要怎么做（按优先级从高到低排序）</h2><ul>
<li><p>看文档：</p>
<ul>
<li><p>安装Neo4j desktop </p>
<ul>
<li>启动，进入localhost: 7474</li>
<li>参考desktop 的快速入门操作案例</li>
<li>进入官网，选择DEVELOP-Document，阅读如下内容：<ul>
<li>Getting Started 简单的了解Neo4j,地址如下：<ul>
<li><span class="exturl" data-url="aHR0cHM6Ly9uZW80ai5jb20vZG9jcy9nZXR0aW5nLXN0YXJ0ZWQvY3VycmVudC8=" title="https://neo4j.com/docs/getting-started/current/">https://neo4j.com/docs/getting-started/current/<i class="fa fa-external-link"></i></span></li>
</ul>
</li>
<li>Cypher manaral 比较重要： CQL语言十分强大，好用</li>
<li>Neo4j 1.7 Driver Manual neo4j 驱动以及api使用</li>
</ul>
</li>
<li>Java Driver API Docs java API</li>
</ul>
</li>
</ul>
</li>
<li><p>自己写 Demo</p>
<ul>
<li>后续会将个人实验内容上传到github</li>
</ul>
</li>
<li><p>参考别人 Demo</p>
<ul>
<li>参考地址：<span class="exturl" data-url="aHR0cHM6Ly9naXRodWIuY29tL0lzRml2ZS9uZW80ai12aXMuanMuZ2l0" title="https://github.com/IsFive/neo4j-vis.js.git">https://github.com/IsFive/neo4j-vis.js.git<i class="fa fa-external-link"></i></span> git 地址</li>
<li>后面根据该项目进行二次开发，目前已上线正式环境。</li>
</ul>
</li>
<li><p>项目场景模拟</p>
<ul>
<li>让业务去推动技术</li>
<li>明确需求</li>
</ul>
</li>
<li><p>遇到问题</p>
<ul>
<li>科学上网到国外使用谷歌进行搜索，目前国内使用较少</li>
<li>查看csdn 博客，有部分问题的解决办法</li>
<li>关于关系型数据库 与 neo4j数据库的数据同步问题 </li>
<li>Neo4j 与 vis 的使用问题</li>
</ul>
</li>
</ul>
<h1 id="如何安装neo4j社区版本（免费）（windows-10）"><a href="#如何安装neo4j社区版本（免费）（windows-10）" class="headerlink" title="如何安装neo4j社区版本（免费）（windows - 10）"></a>如何安装neo4j社区版本（免费）（windows - 10）</h1><h2 id="1-进入官网，下载软件"><a href="#1-进入官网，下载软件" class="headerlink" title="1. 进入官网，下载软件"></a>1. 进入官网，下载软件</h2><p><span class="exturl" data-url="aHR0cHM6Ly9uZW80ai5jb20vZ3JhcGgtYWxnb3JpdGhtcy1ib29rLz9yZWY9aG9tZS1iYW5uZXI=" title="https://neo4j.com/graph-algorithms-book/?ref=home-banner">https://neo4j.com/graph-algorithms-book/?ref=home-banner<i class="fa fa-external-link"></i></span></p>
<p>点击右上角：</p>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827111934.png" alt=""></p>
<p>点击下载：</p>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827142816.png" alt=""></p>
<p>进入到如下页面</p>
<p>输入对应信息，选择下载</p>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827143345.png" alt=""></p>
<blockquote>
<p> PS： 外网软件的下载真的慢的想死，这里提供一个诀窍</p>
<p> <img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827143459.png" alt=""></p>
<ol>
<li><p>进入到如下页面，右击蓝色连接</p>
</li>
<li><p>复制连接地址</p>
</li>
<li><p>在迅雷里面，新建任务，然后粘贴地址进去</p>
</li>
<li><p>迅雷会找到资源然后提示你下载</p>
</li>
<li><p>下载，不出意外飞速下好软件包</p>
<p>（本迅雷为破解版，个人自己使用，不对外开放）</p>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827143602.png" alt=""></p>
</li>
</ol>
</blockquote>
<blockquote>
<p>线上的版本使用 版本为<strong>3.5.12</strong> ，官方最新版已经有了4.0的版本了</p>
<p>这里我也提供了安装包，自己下的话需要翻墙加迅雷下才有可能拉下来</p>
<p>Windows:</p>
<p>链接：<span class="exturl" data-url="aHR0cHM6Ly9wYW4uYmFpZHUuY29tL3MvMXlXa0lkVVV0LVJ6dlN1a2U4OW5KQ3c=" title="https://pan.baidu.com/s/1yWkIdUUt-RzvSuke89nJCw">https://pan.baidu.com/s/1yWkIdUUt-RzvSuke89nJCw<i class="fa fa-external-link"></i></span><br>提取码：3c21</p>
<p>Linux:</p>
<p>链接：<span class="exturl" data-url="aHR0cHM6Ly9wYW4uYmFpZHUuY29tL3MvMWxqelM1RElZbzVuOWZDSXpLa0FNaXc=" title="https://pan.baidu.com/s/1ljzS5DIYo5n9fCIzKkAMiw">https://pan.baidu.com/s/1ljzS5DIYo5n9fCIzKkAMiw<i class="fa fa-external-link"></i></span><br>提取码：bnrf </p>
</blockquote>
<h2 id="2-安装JDK"><a href="#2-安装JDK" class="headerlink" title="2.  安装JDK"></a>2.  安装JDK</h2><p>这个请自行百度，教程烂大街，不过注意安装 <strong>JDK1.8</strong> 版本以上，否则是无法使用的</p>
<h2 id="3-配置Neo4j环境变量"><a href="#3-配置Neo4j环境变量" class="headerlink" title="3. 配置Neo4j环境变量"></a>3. 配置Neo4j环境变量</h2><p>将下好的包解压到对应的位置之后，我们可以配置环境变量</p>
<p>环境变量如下</p>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827144938.png" alt=""></p>
<blockquote>
<p>NEO4J_HOME</p>
<p>D:\zxd\tool\neo4j-community-3.5.12-windows\neo4j-community-3.5.12</p>
</blockquote>
<h2 id="4-neo4j-启动"><a href="#4-neo4j-启动" class="headerlink" title="4. neo4j 启动"></a>4. neo4j 启动</h2><ol>
<li><p><strong>管理员模式</strong>打开CMD， <code>cd</code> 到 <code>D:\zxd\tool\neo4j-community-3.5.12-windows\neo4j-community-3.5.12\bin</code> 下面（记得切换盘符）</p>
</li>
<li><p>请查看下面的常用命令，根据自己的实际情况选择</p>
</li>
</ol>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"># 启动服务</span><br><span class="line">neo4j(.bat) start</span><br><span class="line"># 重启服务</span><br><span class="line">neo4j(.bat) restart</span><br><span class="line"># 停止服务</span><br><span class="line">neo4j(.bat) stop</span><br><span class="line"># 控制台模式启动</span><br><span class="line">neo4j(.bat) console</span><br></pre></td></tr></table></figure>

<ol start="3">
<li><p>开启neo4j，看到 类似<code>successful</code>的字样就代表运行成功了</p>
</li>
<li><p>进入到 <span class="exturl" data-url="aHR0cDovL2xvY2FsaG9zdDo3NDc0L2Jyb3dzZXIv" title="http://localhost:7474/browser/">http://localhost:7474/browser/<i class="fa fa-external-link"></i></span></p>
</li>
<li><p>进入主页面，neo4j安装成功</p>
</li>
</ol>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827150440.png" alt=""></p>
<h2 id="5-安装有可能的问题"><a href="#5-安装有可能的问题" class="headerlink" title="5. 安装有可能的问题"></a>5. 安装有可能的问题</h2><p>此部分是针对（4） 有可能失败的情况下进行尝试：</p>
<h3 id="常见问题1"><a href="#常见问题1" class="headerlink" title="常见问题1"></a>常见问题1</h3><p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827145703.png" alt=""></p>
<p>输入如下的命令，安装neo4j 的服务</p>
<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#</span><span class="bash"> 安装neo4j 服务</span></span><br><span class="line">neo4j install-service</span><br><span class="line"><span class="meta">#</span><span class="bash"> 卸载neo4j 服务</span></span><br><span class="line">neo4j uninstall-service</span><br></pre></td></tr></table></figure>

<h3 id="常见问题2："><a href="#常见问题2：" class="headerlink" title="常见问题2："></a>常见问题2：</h3><p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/jiuhe/20200827145921.png" alt=""></p>
<p>这种情况可能是你安装服务的时候，neo4j默认已经给你启动了，尝试访问 <span class="exturl" data-url="aHR0cDovL2xvY2FsaG9zdDo3NDc0" title="http://localhost:7474">http://localhost:7474<i class="fa fa-external-link"></i></span> 看下能不能访问，如果可以访问，证明没有出现问题</p>
<blockquote>
<p>如果依然没有解决，请尝试 <code>neo4j.bat stop</code> 先关闭服务，或者重新安装一遍neo4j的服务</p>
</blockquote>
<h3 id="常见问题3："><a href="#常见问题3：" class="headerlink" title="常见问题3："></a>常见问题3：</h3><p>下面这个问题是一个比较奇怪的问题，我之前在上线部署的时候遇到过一次</p>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/img/20201102104408.png" alt=""></p>
<p>解决办法：<img src="file:///C:/Users/123/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png" alt="img"><span class="exturl" data-url="aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3RvZ2V0aGVyX2N6L2FydGljbGUvZGV0YWlscy85NzkxODc4OQ==" title="https://blog.csdn.net/together_cz/article/details/97918789">https://blog.csdn.net/together_cz/article/details/97918789<i class="fa fa-external-link"></i></span></p>
<p> 修改bin下面，有一个文件：neo4j.ps1</p>
<p>需要把前缀的 $PSSCRIPT 改为你的安装路径，然后执行neo4j 的命令就不会报错了</p>
<p><img src="https://gitee.com/lazyTimes/imageReposity/raw/master/img/20201102105121.png" alt=""></p>
<h2 id="6-neo4j-实现外网访问："><a href="#6-neo4j-实现外网访问：" class="headerlink" title="6. neo4j 实现外网访问："></a>6. neo4j 实现外网访问：</h2><p>在<code>conf</code> 里面的 <code>neo4j.conf</code> 中修改:</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">#dbms.connectors.default_listen_address&#x3D;0.0.0.0</span><br></pre></td></tr></table></figure>



<h2 id="7-Neo4j-部分配置参数详解："><a href="#7-Neo4j-部分配置参数详解：" class="headerlink" title="7. Neo4j 部分配置参数详解："></a>7. Neo4j 部分配置参数详解：</h2><p>在<code>conf/neo4j.config</code>中有对应的内容：</p>
<figure class="highlight yml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br></pre></td><td class="code"><pre><span class="line"><span class="string">其他配置项目从网上摘抄部分</span></span><br><span class="line"><span class="string">修改相应配置如下：</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改第22行load csv时l路径，在前面加个#，可从任意路径读取文件</span></span><br><span class="line"><span class="comment">#dbms.directories.import=import</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改35行和36行，设置JVM初始堆内存和JVM最大堆内存</span></span><br><span class="line"><span class="comment"># 生产环境给的JVM最大堆内存越大越好，但是要小于机器的物理内存</span></span><br><span class="line"><span class="string">dbms.memory.heap.initial_size=5g</span></span><br><span class="line"><span class="string">dbms.memory.heap.max_size=10g</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改46行，可以认为这个是缓存，如果机器配置高，这个越大越好</span></span><br><span class="line"><span class="string">dbms.memory.pagecache.size=10g</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改54行，去掉改行的#，可以远程通过ip访问neo4j数据库</span></span><br><span class="line"><span class="string">dbms.connectors.default_listen_address=0.0.0.0</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 默认 bolt端口是7687，http端口是7474，https关口是7473，不修改下面3项也可以</span></span><br><span class="line"><span class="comment"># 修改71行，去掉#，设置http端口为7687，端口可以自定义，只要不和其他端口冲突就行</span></span><br><span class="line"><span class="comment">#dbms.connector.bolt.listen_address=:7687</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改75行，去掉#，设置http端口为7474，端口可以自定义，只要不和其他端口冲突就行</span></span><br><span class="line"><span class="string">dbms.connector.http.listen_address=:7474</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改79行，去掉#，设置http端口为7473，端口可以自定义，只要不和其他端口冲突就行</span></span><br><span class="line"><span class="string">dbms.connector.https.listen_address=:7473</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改227行，去掉#，允许从远程url来load csv</span></span><br><span class="line"><span class="string">dbms.security.allow_csv_import_from_file_urls=true</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改246行，允许使用neo4j-shell，类似于mysql 命令行之类的</span></span><br><span class="line"><span class="string">dbms.shell.enabled=true</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改235行，去掉#，设置连接neo4j-shell的端口，一般都是localhost或者127.0.0.1，这样安全，其他地址的话，一般使用https就行</span></span><br><span class="line"><span class="string">dbms.shell.host=127.0.0.1</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改250行，去掉#，设置neo4j-shell端口，端口可以自定义，只要不和其他端口冲突就行</span></span><br><span class="line"><span class="string">dbms.shell.port=1337</span></span><br><span class="line"></span><br><span class="line"><span class="comment"># 修改254行，设置neo4j可读可写</span></span><br><span class="line"><span class="string">dbms.read_only=false</span></span><br></pre></td></tr></table></figure>

<h2 id="8-修改neo4j可视化界面的超管用户密码"><a href="#8-修改neo4j可视化界面的超管用户密码" class="headerlink" title="8. 修改neo4j可视化界面的超管用户密码]"></a>8. 修改neo4j可视化界面的超管用户密码]</h2><p>在控制台输入<code>:server change-password</code> 进行修改</p>
<p>键入原密码及新密码，即可修改</p>
<p>注意冒号</p>
<h2 id="9-window版本的其他安装方式"><a href="#9-window版本的其他安装方式" class="headerlink" title="9 . window版本的其他安装方式:"></a>9 . window版本的其他安装方式:</h2><p>neo4j 在window平台有一个desktop 版本，实现了多实例创建图数据库的应用，有需要可以直接安装，个人直接下载window的Bin包进行单机的部署。</p>
<h1 id="如何安装neo4j社区版本（免费）（linux-CenterOs7）"><a href="#如何安装neo4j社区版本（免费）（linux-CenterOs7）" class="headerlink" title="如何安装neo4j社区版本（免费）（linux - CenterOs7）"></a>如何安装neo4j社区版本（免费）（linux - CenterOs7）</h1><p>重复的内容请查看<code>window</code>安装方式，linux 的安装相对更加简单一些。</p>
<p>（1）准备<code>**neo4j-community-3.5.12-unix.tar.gz.gz**</code> ，使用目前最新的版本</p>
<blockquote>
<p>Linux:</p>
<p>链接：<span class="exturl" data-url="aHR0cHM6Ly9wYW4uYmFpZHUuY29tL3MvMWxqelM1RElZbzVuOWZDSXpLa0FNaXc=" title="https://pan.baidu.com/s/1ljzS5DIYo5n9fCIzKkAMiw">https://pan.baidu.com/s/1ljzS5DIYo5n9fCIzKkAMiw<i class="fa fa-external-link"></i></span><br>提取码：bnrf </p>
</blockquote>
<p>（2）解压放入到linux相应位置</p>
<p>（3）确保当前环境变量存在JDK，版本不能低于<code>JDK1.8</code></p>
<p>（4）同样由于安全配置的原因，需要进入客户端配置一次用户名和密码，因为linux没有GUI，在<code>neo4j.conf</code>需要开启远程访问：</p>
<blockquote>
<p>#dbms.connectors.default_listen_address=0.0.0.0</p>
<p>把#拿掉就可以进行远程访问了</p>
</blockquote>
<p>（5）请参考window对于用户名和密码进行自定义</p>
<p>（6）如果忘记了GUI页面的用户名和密码，可以使用删除db的方式对于图数据库进行重置</p>
<h1 id="总结："><a href="#总结：" class="headerlink" title="总结："></a>总结：</h1><ol>
<li>介绍了Neo4J的基本理念，已经我为什么要使用到neo4j 这个库</li>
<li>Neo4j在linux上和windows上的安装，注意如果要用到项目上，请注意使用开源的社区版，企业版提供更多的功能以及更好性能，同时官方提供技术支持，商用版本需要授权</li>
<li>下一篇文章将对neo4j 进行扩展</li>
</ol>
<p>内容篇幅较长，感谢观看！希望能对读者有所帮助，如果对于博客有任何建议或者意见，欢迎讨论，如果文章内容有误，可以直接私信或者在评论区留言，我会及时答复并且修复</p>
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<ul class="post-copyright">
  <li class="post-copyright-author">
    <strong>本文作者： </strong>lazytime
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    <strong>本文链接：</strong>
    <a href="https://whitestore.top/2020/11/03/neo4j1/" title="我的Neo4j探索之旅 - 初识Neo4j（一）">https://whitestore.top/2020/11/03/neo4j1/</a>
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